19928029

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1747}}^1$

素因数の和:1836

約数の個数: 16

約数和(自身を含む): 23409216

約数和(自身を除く): 3481187

約数列:

[1, 11, 17, 61, 187, 671, 1037, 1747, 11407, 19217, 29699, 106567, 326689, 1172237, 1811639, 19928029]

約数ペア:

[(1, 19928029), (11, 1811639), (17, 1172237), (61, 326689), (187, 106567), (671, 29699), (1037, 19217), (1747, 11407)]